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Finding the Fourth Proportional to 8,593,686.17, 11,890,514.77 and 7,493,411.73

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Solution

The fourth proportional to 8,593,686.17, 11,890,514.77 and 7,493,411.73 is: 10,368,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593,686.17 : 11,890,514.77 = 7,493,411.73 : x
  2. Step 2: Convert to fraction form
    8,593,686.17/11,890,514.77 = 7,493,411.73/x
  3. Step 3: Cross multiply
    8,593,686.17x = 11,890,514.77 × 7,493,411.73
  4. Step 4: Simplify right side
    8,593,686.17x = 89,100,522,834,522.73
  5. Step 5: Solve for x
    x = 89,100,522,834,522.73/8,593,686.17
  6. Step 6: Final answer
    x = 10,368,137.85

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.